As part of today’s celebration, you may have noticed a special YouTube logo that’s being featured in 24 different countries highlighting the artist’s famous self-portrait. This unique artwork is also part of a birthday video that you can find at www.google.com. It’s the very first time that a YouTube video has been embedded into a one-of-a-kind Google Doodle — read a message from artist who created it here.

“Spread Peace. Imagine Peace.” is how Yoko suggests you celebrate the day, along with sharing your video tribute with the world.